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<div class="chapter">
<div class="titlepage"><div><div>
<h2 class="title">
<a id="release-notes-7.0.0-rc1"></a>Elasticsearch version 7.0.0-rc1<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.0.0-rc1.asciidoc">edit</a>
</h2>
</div></div></div>
<p>Also see <a class="xref" href="breaking-changes-7.0.html" title="Breaking changes in 7.0">Breaking changes in 7.0.0-rc1</a>.</p>
<h3>
<a id="breaking-7.0.0-rc1"></a>Breaking changes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.0.0-rc1.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Distributed
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Remove cluster state size <a href="https://github.com/elastic/elasticsearch/pull/40061" class="ulink" target="_top">#40061</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/39806" class="ulink" target="_top">#39806</a>, <a href="https://github.com/elastic/elasticsearch/issues/39827" class="ulink" target="_top">#39827</a>, <a href="https://github.com/elastic/elasticsearch/issues/39951" class="ulink" target="_top">#39951</a>, <a href="https://github.com/elastic/elasticsearch/issues/40016" class="ulink" target="_top">#40016</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Features
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Remove Migration Upgrade and Assistance APIs <a href="https://github.com/elastic/elasticsearch/pull/40075" class="ulink" target="_top">#40075</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40014" class="ulink" target="_top">#40014</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="deprecation-7.0.0-rc1"></a>Deprecations<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.0.0-rc1.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Cluster Coordination
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Deprecate size in cluster state response <a href="https://github.com/elastic/elasticsearch/pull/39951" class="ulink" target="_top">#39951</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39806" class="ulink" target="_top">#39806</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Packaging
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Deprecate fallback to java on PATH <a href="https://github.com/elastic/elasticsearch/pull/37990" class="ulink" target="_top">#37990</a>
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="feature-7.0.0-rc1"></a>New features<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.0.0-rc1.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Allocation
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Node repurpose tool <a href="https://github.com/elastic/elasticsearch/pull/39403" class="ulink" target="_top">#39403</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/37347" class="ulink" target="_top">#37347</a>, <a href="https://github.com/elastic/elasticsearch/issues/37748" class="ulink" target="_top">#37748</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Security
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Switch internal security index to ".security-7" <a href="https://github.com/elastic/elasticsearch/pull/39337" class="ulink" target="_top">#39337</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39284" class="ulink" target="_top">#39284</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="enhancement-7.0.0-rc1"></a>Enhancements<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.0.0-rc1.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
CCR
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Reduce retention lease sync intervals <a href="https://github.com/elastic/elasticsearch/pull/40302" class="ulink" target="_top">#40302</a>
</li>
<li class="listitem">
Renew retention leases while following <a href="https://github.com/elastic/elasticsearch/pull/39335" class="ulink" target="_top">#39335</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/37165" class="ulink" target="_top">#37165</a>, <a href="https://github.com/elastic/elasticsearch/issues/38718" class="ulink" target="_top">#38718</a>)
</li>
<li class="listitem">
Reduce refresh when lookup term in FollowingEngine <a href="https://github.com/elastic/elasticsearch/pull/39184" class="ulink" target="_top">#39184</a>
</li>
<li class="listitem">
Integrate retention leases to recovery from remote <a href="https://github.com/elastic/elasticsearch/pull/38829" class="ulink" target="_top">#38829</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/37165" class="ulink" target="_top">#37165</a>)
</li>
<li class="listitem">
Enable removal of retention leases <a href="https://github.com/elastic/elasticsearch/pull/38751" class="ulink" target="_top">#38751</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/37165" class="ulink" target="_top">#37165</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Client
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fixed required fields and paths list <a href="https://github.com/elastic/elasticsearch/pull/39358" class="ulink" target="_top">#39358</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Discovery-Plugins
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Adds connect and read timeouts to discovery-gce <a href="https://github.com/elastic/elasticsearch/pull/28193" class="ulink" target="_top">#28193</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/24313" class="ulink" target="_top">#24313</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Distributed
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Introduce retention lease actions <a href="https://github.com/elastic/elasticsearch/pull/38756" class="ulink" target="_top">#38756</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/37165" class="ulink" target="_top">#37165</a>)
</li>
<li class="listitem">
Add dedicated retention lease exceptions <a href="https://github.com/elastic/elasticsearch/pull/38754" class="ulink" target="_top">#38754</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/37165" class="ulink" target="_top">#37165</a>)
</li>
<li class="listitem">
Copy retention leases when trim unsafe commits <a href="https://github.com/elastic/elasticsearch/pull/37995" class="ulink" target="_top">#37995</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/37165" class="ulink" target="_top">#37165</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Docs Infrastructure
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Align generated release notes with doc standards <a href="https://github.com/elastic/elasticsearch/pull/39234" class="ulink" target="_top">#39234</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39155" class="ulink" target="_top">#39155</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Engine
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Explicitly advance max_seq_no before indexing <a href="https://github.com/elastic/elasticsearch/pull/39473" class="ulink" target="_top">#39473</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38879" class="ulink" target="_top">#38879</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Core
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Add details about what acquired the shard lock last <a href="https://github.com/elastic/elasticsearch/pull/38807" class="ulink" target="_top">#38807</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/30290" class="ulink" target="_top">#30290</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Packaging
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Use bundled JDK in Docker images <a href="https://github.com/elastic/elasticsearch/pull/40238" class="ulink" target="_top">#40238</a>
</li>
<li class="listitem">
Upgrade bundled JDK and Docker images to JDK 12 <a href="https://github.com/elastic/elasticsearch/pull/40229" class="ulink" target="_top">#40229</a>
</li>
<li class="listitem">
Bundle java in distributions <a href="https://github.com/elastic/elasticsearch/pull/38013" class="ulink" target="_top">#38013</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/31845" class="ulink" target="_top">#31845</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Settings
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Provide a clearer error message on keystore add <a href="https://github.com/elastic/elasticsearch/pull/39327" class="ulink" target="_top">#39327</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39324" class="ulink" target="_top">#39324</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Percolator
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Make the <code class="literal">type</code> parameter optional when percolating existing documents. <a href="https://github.com/elastic/elasticsearch/pull/39987" class="ulink" target="_top">#39987</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39963" class="ulink" target="_top">#39963</a>)
</li>
<li class="listitem">
Add support for selecting percolator query candidate matches containing geo_point based queries <a href="https://github.com/elastic/elasticsearch/pull/26040" class="ulink" target="_top">#26040</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
SQL
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Enhance checks for inexact fields <a href="https://github.com/elastic/elasticsearch/pull/39427" class="ulink" target="_top">#39427</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38501" class="ulink" target="_top">#38501</a>)
</li>
<li class="listitem">
Change the default precision for CURRENT_TIMESTAMP function <a href="https://github.com/elastic/elasticsearch/pull/39391" class="ulink" target="_top">#39391</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39288" class="ulink" target="_top">#39288</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="bug-7.0.0-rc1"></a>Bug fixes<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.0.0-rc1.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Aggregations
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Skip sibling pipeline aggregators reduction during non-final reduce <a href="https://github.com/elastic/elasticsearch/pull/40101" class="ulink" target="_top">#40101</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40059" class="ulink" target="_top">#40059</a>)
</li>
<li class="listitem">
Extend nextDoc to delegate to the wrapped doc-value iterator for date_nanos <a href="https://github.com/elastic/elasticsearch/pull/39176" class="ulink" target="_top">#39176</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39107" class="ulink" target="_top">#39107</a>)
</li>
<li class="listitem">
Only create MatrixStatsResults on final reduction <a href="https://github.com/elastic/elasticsearch/pull/38130" class="ulink" target="_top">#38130</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/37587" class="ulink" target="_top">#37587</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Authentication
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Allow non super users to create API keys <a href="https://github.com/elastic/elasticsearch/pull/40028" class="ulink" target="_top">#40028</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40029" class="ulink" target="_top">#40029</a>)
</li>
<li class="listitem">
Use consistent view of realms for authentication <a href="https://github.com/elastic/elasticsearch/pull/38815" class="ulink" target="_top">#38815</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/30301" class="ulink" target="_top">#30301</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
CCR
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Safe publication of AutoFollowCoordinator <a href="https://github.com/elastic/elasticsearch/pull/40153" class="ulink" target="_top">#40153</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38560" class="ulink" target="_top">#38560</a>)
</li>
<li class="listitem">
Enable reading auto-follow patterns from x-content <a href="https://github.com/elastic/elasticsearch/pull/40130" class="ulink" target="_top">#40130</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40128" class="ulink" target="_top">#40128</a>)
</li>
<li class="listitem">
Stop auto-followers on shutdown <a href="https://github.com/elastic/elasticsearch/pull/40124" class="ulink" target="_top">#40124</a>
</li>
<li class="listitem">
Protect against the leader index being removed <a href="https://github.com/elastic/elasticsearch/pull/39351" class="ulink" target="_top">#39351</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39308" class="ulink" target="_top">#39308</a>)
</li>
<li class="listitem">
Handle the fact that <code class="literal">ShardStats</code> instance may have no commit or seqno stats <a href="https://github.com/elastic/elasticsearch/pull/38782" class="ulink" target="_top">#38782</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38779" class="ulink" target="_top">#38779</a>)
</li>
<li class="listitem">
Fix LocalIndexFollowingIT#testRemoveRemoteConnection() test <a href="https://github.com/elastic/elasticsearch/pull/38709" class="ulink" target="_top">#38709</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38695" class="ulink" target="_top">#38695</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
CRUD
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Cascading primary failure lead to MSU too low <a href="https://github.com/elastic/elasticsearch/pull/40249" class="ulink" target="_top">#40249</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Cluster Coordination
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix node tool cleanup <a href="https://github.com/elastic/elasticsearch/pull/39389" class="ulink" target="_top">#39389</a>
</li>
<li class="listitem">
Avoid serialising state if it was already serialised <a href="https://github.com/elastic/elasticsearch/pull/39179" class="ulink" target="_top">#39179</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Distributed
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Ignore waitForActiveShards when syncing leases <a href="https://github.com/elastic/elasticsearch/pull/39224" class="ulink" target="_top">#39224</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39089" class="ulink" target="_top">#39089</a>)
</li>
<li class="listitem">
Fix synchronization in LocalCheckpointTracker#contains <a href="https://github.com/elastic/elasticsearch/pull/38755" class="ulink" target="_top">#38755</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/33871" class="ulink" target="_top">#33871</a>, <a href="https://github.com/elastic/elasticsearch/issues/38633" class="ulink" target="_top">#38633</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Engine
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Bubble up exception when processing NoOp <a href="https://github.com/elastic/elasticsearch/pull/39338" class="ulink" target="_top">#39338</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38898" class="ulink" target="_top">#38898</a>)
</li>
<li class="listitem">
ReadOnlyEngine should update translog recovery state information <a href="https://github.com/elastic/elasticsearch/pull/39238" class="ulink" target="_top">#39238</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Features
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Only count some fields types for deprecation check <a href="https://github.com/elastic/elasticsearch/pull/40166" class="ulink" target="_top">#40166</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/ILM
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Handle failure to release retention leases in ILM <a href="https://github.com/elastic/elasticsearch/pull/39281" class="ulink" target="_top">#39281</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39181" class="ulink" target="_top">#39181</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Watcher
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Use non-ILM template setting up watch history template &amp; ILM disabled <a href="https://github.com/elastic/elasticsearch/pull/39325" class="ulink" target="_top">#39325</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38805" class="ulink" target="_top">#38805</a>)
</li>
<li class="listitem">
Only flush Watcher’s bulk processor if Watcher is enabled <a href="https://github.com/elastic/elasticsearch/pull/38803" class="ulink" target="_top">#38803</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/38798" class="ulink" target="_top">#38798</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Core
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Correct name of basic_date_time_no_millis <a href="https://github.com/elastic/elasticsearch/pull/39367" class="ulink" target="_top">#39367</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/Packaging
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Some elasticsearch-cli tools could not be run not from ES_HOME <a href="https://github.com/elastic/elasticsearch/pull/39937" class="ulink" target="_top">#39937</a>
</li>
<li class="listitem">
Obsolete pre 7.0 noarch package in rpm <a href="https://github.com/elastic/elasticsearch/pull/39472" class="ulink" target="_top">#39472</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39414" class="ulink" target="_top">#39414</a>)
</li>
<li class="listitem">
Suppress error message when <code class="literal">/proc/sys/vm/max_map_count</code> is not exists. <a href="https://github.com/elastic/elasticsearch/pull/35933" class="ulink" target="_top">#35933</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Infra/REST API
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Fix #38623 remove xpack namespace REST API <a href="https://github.com/elastic/elasticsearch/pull/38625" class="ulink" target="_top">#38625</a>
</li>
<li class="listitem">
Remove the "xpack" namespace from the REST API <a href="https://github.com/elastic/elasticsearch/pull/38623" class="ulink" target="_top">#38623</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Recovery
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Create retention leases file during recovery <a href="https://github.com/elastic/elasticsearch/pull/39359" class="ulink" target="_top">#39359</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/37165" class="ulink" target="_top">#37165</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
SQL
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Add missing handling of IP field in JDBC <a href="https://github.com/elastic/elasticsearch/pull/40384" class="ulink" target="_top">#40384</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40358" class="ulink" target="_top">#40358</a>)
</li>
<li class="listitem">
Fix metric aggs on date/time to not return double <a href="https://github.com/elastic/elasticsearch/pull/40377" class="ulink" target="_top">#40377</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/39492" class="ulink" target="_top">#39492</a>, <a href="https://github.com/elastic/elasticsearch/issues/40376" class="ulink" target="_top">#40376</a>)
</li>
<li class="listitem">
CAST supports both SQL and ES types <a href="https://github.com/elastic/elasticsearch/pull/40365" class="ulink" target="_top">#40365</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40282" class="ulink" target="_top">#40282</a>)
</li>
<li class="listitem">
Fix RLIKE bug and improve testing for RLIKE statement <a href="https://github.com/elastic/elasticsearch/pull/40354" class="ulink" target="_top">#40354</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/34609" class="ulink" target="_top">#34609</a>, <a href="https://github.com/elastic/elasticsearch/issues/39931" class="ulink" target="_top">#39931</a>)
</li>
<li class="listitem">
Unwrap the first value in an array in case of array leniency <a href="https://github.com/elastic/elasticsearch/pull/40318" class="ulink" target="_top">#40318</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40296" class="ulink" target="_top">#40296</a>)
</li>
<li class="listitem">
Preserve original source for cast/convert function <a href="https://github.com/elastic/elasticsearch/pull/40271" class="ulink" target="_top">#40271</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40239" class="ulink" target="_top">#40239</a>)
</li>
<li class="listitem">
Fix LIKE function equality by considering its pattern as well <a href="https://github.com/elastic/elasticsearch/pull/40260" class="ulink" target="_top">#40260</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39931" class="ulink" target="_top">#39931</a>)
</li>
<li class="listitem">
Fix issue with optimization on queries with ORDER BY/LIMIT <a href="https://github.com/elastic/elasticsearch/pull/40256" class="ulink" target="_top">#40256</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40211" class="ulink" target="_top">#40211</a>)
</li>
<li class="listitem">
Rewrite ROUND and TRUNCATE functions with a different optional parameter handling method <a href="https://github.com/elastic/elasticsearch/pull/40242" class="ulink" target="_top">#40242</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40001" class="ulink" target="_top">#40001</a>)
</li>
<li class="listitem">
Fix issue with getting DATE type in JDBC <a href="https://github.com/elastic/elasticsearch/pull/40207" class="ulink" target="_top">#40207</a>
</li>
<li class="listitem">
Fix issue with date columns returned always in UTC <a href="https://github.com/elastic/elasticsearch/pull/40163" class="ulink" target="_top">#40163</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40152" class="ulink" target="_top">#40152</a>)
</li>
<li class="listitem">
Add multi_value_field_leniency inside FieldHitExtractor <a href="https://github.com/elastic/elasticsearch/pull/40113" class="ulink" target="_top">#40113</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39700" class="ulink" target="_top">#39700</a>)
</li>
<li class="listitem">
Fix incorrect ordering of groupings (GROUP BY) based on orderings (ORDER BY) <a href="https://github.com/elastic/elasticsearch/pull/40087" class="ulink" target="_top">#40087</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39956" class="ulink" target="_top">#39956</a>)
</li>
<li class="listitem">
Fix bug with JDBC timezone setting and DATE type <a href="https://github.com/elastic/elasticsearch/pull/39978" class="ulink" target="_top">#39978</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39915" class="ulink" target="_top">#39915</a>)
</li>
<li class="listitem">
Use underlying exact field for LIKE/RLIKE <a href="https://github.com/elastic/elasticsearch/pull/39443" class="ulink" target="_top">#39443</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39442" class="ulink" target="_top">#39442</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Search
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Serialize top-level pipeline aggs as part of InternalAggregations <a href="https://github.com/elastic/elasticsearch/pull/40177" class="ulink" target="_top">#40177</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/40059" class="ulink" target="_top">#40059</a>, <a href="https://github.com/elastic/elasticsearch/issues/40101" class="ulink" target="_top">#40101</a>)
</li>
<li class="listitem">
CCS: Skip empty search hits when minimizing round-trips <a href="https://github.com/elastic/elasticsearch/pull/40098" class="ulink" target="_top">#40098</a> (issues: <a href="https://github.com/elastic/elasticsearch/issues/32125" class="ulink" target="_top">#32125</a>, <a href="https://github.com/elastic/elasticsearch/issues/40067" class="ulink" target="_top">#40067</a>)
</li>
<li class="listitem">
CCS: Disable minimizing round-trips when dfs is requested <a href="https://github.com/elastic/elasticsearch/pull/40044" class="ulink" target="_top">#40044</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/32125" class="ulink" target="_top">#32125</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
<h3>
<a id="upgrade-7.0.0-rc1"></a>Upgrades<a class="edit_me edit_me_private" rel="nofollow" title="Editing on GitHub is available to Elastic" href="https://github.com/elastic/elasticsearch/edit/7.7/docs/reference/release-notes/7.0.0-rc1.asciidoc">edit</a>
</h3>
<div class="variablelist">
<dl class="variablelist">
<dt>
<span class="term">
Discovery-Plugins
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Bump jackson-databind version for AWS SDK <a href="https://github.com/elastic/elasticsearch/pull/39183" class="ulink" target="_top">#39183</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Engine
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Upgrade to Lucene 8.0.0-snapshot-ff9509a8df <a href="https://github.com/elastic/elasticsearch/pull/39350" class="ulink" target="_top">#39350</a>
</li>
<li class="listitem">
Upgrade to Lucene 8.0.0 <a href="https://github.com/elastic/elasticsearch/pull/39992" class="ulink" target="_top">#39992</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/39640" class="ulink" target="_top">#39640</a>)
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Features/Ingest
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Bump jackson-databind version for ingest-geoip <a href="https://github.com/elastic/elasticsearch/pull/39182" class="ulink" target="_top">#39182</a>
</li>
</ul>
</div>
</dd>
<dt>
<span class="term">
Security
</span>
</dt>
<dd>
<div class="ulist itemizedlist">
<ul class="itemizedlist">
<li class="listitem">
Upgrade the bouncycastle dependency to 1.61 <a href="https://github.com/elastic/elasticsearch/pull/40017" class="ulink" target="_top">#40017</a> (issue: <a href="https://github.com/elastic/elasticsearch/issues/40011" class="ulink" target="_top">#40011</a>)
</li>
</ul>
</div>
</dd>
</dl>
</div>
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